(19)
(11) EP 1 492 830 A1

(12)

(43) Date of publication:
05.01.2005 Bulletin 2005/01

(21) Application number: 03745602.7

(22) Date of filing: 24.03.2003
(51) International Patent Classification (IPC)7C08F 297/04, C08L 53/02
(86) International application number:
PCT/US2003/009144
(87) International publication number:
WO 2003/082943 (09.10.2003 Gazette 2003/41)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 28.03.2002 US 368367 P

(71) Applicant: Kraton Polymers Research, B.V.
1030 BH Amsterdam (NL)

(72) Inventors:
  • HANDLIN, Dale, L., Jr.
    Houston, TX 77077 (US)
  • WILLIS, Carl, L.
    Houston, TX 77084 (US)
  • DJIAUW, Lie, K.
    Houston, TX 770995 (US)
  • HERNANDEZ, Hector
    Houston, TX 77084 (US)
  • DOSSETT, Robert, Jr.
    Houston, TX 77095 (US)

(74) Representative: Kortekaas, Marcel C. J. A. et al
KRATON Polymers Research B.V.,Intellectual Property Services,P.O. Box 37666
1030 BH Amsterdam
1030 BH Amsterdam (NL)

   


(54) NOVEL TETRABLOCK COPOLYMER AND COMPOSITIONS CONTAINING SAME